circle – ページ 111 – プログラミング de 落描き

2018年10月26日2018年10月26日

Circle by line. openFrameworks

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線による円

Circle by Line.

[ Source ]

#pragma once
#include "ofMain.h"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {};
	void keyReleased(int key) {};
	void mouseMoved(int x, int y) {};
	void mouseDragged(int x, int y, int button) {};
	void mousePressed(int x, int y, int button) {};
	void mouseReleased(int x, int y, int button) {};
	void mouseEntered(int x, int y) {};
	void mouseExited(int x, int y) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	vector<ofPoint> locations;
};

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

void mouseMoved(int x, int y) {};

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

void mouseEntered(int x, int y) {};

void mouseExited(int x, int y) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

vector<ofPoint> locations;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");
	
	ofBackground(239);
	ofSetColor(39);
	
	int size = 40;
	ofColor color;
	for (int x = 0; x < ofGetWidth(); x += size) {

		for (int y = 0; y < ofGetHeight(); y += size) {

			if (y % (size * 2) == 0) {

				this->locations.push_back(ofPoint(x + size * 0.5, y + size * 0.5));
			}
			else {

				this->locations.push_back(ofPoint(x, y + size * 0.5));
			}
		}
	}
}
//--------------------------------------------------------------
void ofApp::update() {

}

//--------------------------------------------------------------
void ofApp::draw() {

	for (int i = 0; i < this->locations.size(); i++) {
		
		float noise_value = ofNoise(this->locations[i].x * 0.001, this->locations[i].y * 0.001, ofGetFrameNum() * 0.0001);
		float noise_deg = noise_value * 720;
		ofPoint target = ofPoint(200 * cos(noise_deg * DEG_TO_RAD), 200 * sin(noise_deg * DEG_TO_RAD)) + ofPoint(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

		ofDrawCircle(this->locations[i], 3);
		ofDrawLine(this->locations[i], target);
	}
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

//--------------------------------------------------------------

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

int size = 40;

ofColor color;

for (int x = 0; x < ofGetWidth(); x += size) {

for (int y = 0; y < ofGetHeight(); y += size) {

if (y % (size * 2) == 0) {

this->locations.push_back(ofPoint(x + size * 0.5, y + size * 0.5));

}

else {

this->locations.push_back(ofPoint(x, y + size * 0.5));

}

//--------------------------------------------------------------

void ofApp::update() {

}

//--------------------------------------------------------------

void ofApp::draw() {

for (int i = 0; i < this->locations.size(); i++) {

float noise_value = ofNoise(this->locations[i].x * 0.001, this->locations[i].y * 0.001, ofGetFrameNum() * 0.0001);

float noise_deg = noise_value * 720;

ofPoint target = ofPoint(200 * cos(noise_deg * DEG_TO_RAD), 200 * sin(noise_deg * DEG_TO_RAD)) + ofPoint(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

ofDrawCircle(this->locations[i], 3);

ofDrawLine(this->locations[i], target);

}

//--------------------------------------------------------------

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20181026

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2018年10月14日2018年10月16日

Random walk on circle. openFrameworks

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[ About ]
本日の日替わりメニュー　円(4個入)

Random walk on circle.

[ Source ]

#pragma once
#include "ofMain.h"
#include "Particle.h"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {};
	void keyReleased(int key) {};
	void mouseMoved(int x, int y) {};
	void mouseDragged(int x, int y, int button) {};
	void mousePressed(int x, int y, int button) {};
	void mouseReleased(int x, int y, int button) {};
	void mouseEntered(int x, int y) {};
	void mouseExited(int x, int y) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	ofEasyCam cam;
	vector<Particle> particles;
};

#pragma once

#include "ofMain.h"

#include "Particle.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

void mouseMoved(int x, int y) {};

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

void mouseEntered(int x, int y) {};

void mouseExited(int x, int y) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofEasyCam cam;

vector<Particle> particles;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");

	ofBackground(39);
	ofSetColor(239);

	for (int i = 0; i < 80 * 4; i++) { this->particles.push_back(Particle()); }
}
//--------------------------------------------------------------
void ofApp::update() {

	for (Particle& particle : particles) { particle.Upate(); }
}

//--------------------------------------------------------------
void ofApp::draw() {

	vector<ofPoint> locations;
	locations.push_back(ofPoint(-350, -350));
	locations.push_back(ofPoint(-350, 350));
	locations.push_back(ofPoint(350, -350));
	locations.push_back(ofPoint(350, 350));

	this->cam.begin();

	int count = 0;
	for (Particle& particle : particles){
		
		ofPushMatrix();
		ofTranslate(locations[count++ / 80]);

		particle.Draw();

		ofPopMatrix();
	}

	this->cam.end();
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

//--------------------------------------------------------------

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(39);

ofSetColor(239);

for (int i = 0; i < 80 * 4; i++) { this->particles.push_back(Particle()); }

}

//--------------------------------------------------------------

void ofApp::update() {

for (Particle& particle : particles) { particle.Upate(); }

}

//--------------------------------------------------------------

void ofApp::draw() {

vector<ofPoint> locations;

locations.push_back(ofPoint(-350, -350));

locations.push_back(ofPoint(-350, 350));

locations.push_back(ofPoint(350, -350));

locations.push_back(ofPoint(350, 350));

this->cam.begin();

int count = 0;

for (Particle& particle : particles){

ofPushMatrix();

ofTranslate(locations[count++ / 80]);

particle.Draw();

ofPopMatrix();

}

this->cam.end();

}

//--------------------------------------------------------------

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

#pragma once
#include "ofMain.h"

class Particle {
public:
	Particle();
	~Particle();
	void Upate();
	void Draw();

private:

	float radius;
	float deg;
	ofPoint direction;

	std::deque<ofPoint> logs;
};

#pragma once

#include "ofMain.h"

class Particle {

public:

Particle();

~Particle();

void Upate();

void Draw();

private:

float radius;

float deg;

ofPoint direction;

std::deque<ofPoint> logs;

};

#include "Particle.h"

//--------------------------------------------------------------
Particle::Particle() {

	this->radius = (int)(ofRandom(160, 300) / 20) * 20;
	this->deg = (int)(ofRandom(360) / 10) * 10;
}

//--------------------------------------------------------------
Particle::~Particle() {

}

//--------------------------------------------------------------
void Particle::Upate() {

	if (ofGetFrameNum() % 20 == 0) {

		ofPoint directions[4];
		directions[0] = ofPoint(1, 0);
		directions[1] = ofPoint(-1, 0);
		directions[2] = ofPoint(0, 2);
		directions[3] = ofPoint(0, -2);

		if (this->radius <= 160) {

			directions[3] = directions[2];
		}
		else if (this->radius >= 300) {

			directions[2] = directions[3];
		}

		this->direction = directions[(int)ofRandom(4)];
	}

	this->deg += this->direction.x;
	this->radius += this->direction.y;

	ofPoint point = ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
	this->logs.push_front(point);
	while (this->logs.size() > 45) { this->logs.pop_back(); }
}

//--------------------------------------------------------------
void Particle::Draw() {

	ofFill();
	ofDrawCircle(this->logs.front(), 5);

	ofNoFill();
	ofBeginShape();
	for (ofPoint& log : this->logs) {

		ofVertex(log);
	}
	ofEndShape();
}

#include "Particle.h"

//--------------------------------------------------------------

Particle::Particle() {

this->radius = (int)(ofRandom(160, 300) / 20) * 20;

this->deg = (int)(ofRandom(360) / 10) * 10;

}

//--------------------------------------------------------------

Particle::~Particle() {

}

//--------------------------------------------------------------

void Particle::Upate() {

if (ofGetFrameNum() % 20 == 0) {

ofPoint directions[4];

directions[0] = ofPoint(1, 0);

directions[1] = ofPoint(-1, 0);

directions[2] = ofPoint(0, 2);

directions[3] = ofPoint(0, -2);

if (this->radius <= 160) {

directions[3] = directions[2];

}

else if (this->radius >= 300) {

directions[2] = directions[3];

}

this->direction = directions[(int)ofRandom(4)];

}

this->deg += this->direction.x;

this->radius += this->direction.y;

ofPoint point = ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

this->logs.push_front(point);

while (this->logs.size() > 45) { this->logs.pop_back(); }

}

//--------------------------------------------------------------

void Particle::Draw() {

ofFill();

ofDrawCircle(this->logs.front(), 5);

ofNoFill();

ofBeginShape();

for (ofPoint& log : this->logs) {

ofVertex(log);

}

ofEndShape();

}

[ Link ]
https://github.com/junkiyoshi/Insta20181014

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2018年10月5日2018年10月5日

Noisy Circles. openFrameworks

[ Video ]

[ About ]
ノイズで不完全な円を作成。たまにココイチのロゴっぽくなる所がハイライト

Cleated incomplate circles by Perlin Noise.

[ Source ]

#pragma once
#include "ofMain.h"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {};
	void keyReleased(int key) {};
	void mouseMoved(int x, int y) {};
	void mouseDragged(int x, int y, int button) {};
	void mousePressed(int x, int y, int button) {};
	void mouseReleased(int x, int y, int button) {};
	void mouseEntered(int x, int y) {};
	void mouseExited(int x, int y) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};
};

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

void mouseMoved(int x, int y) {};

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

void mouseEntered(int x, int y) {};

void mouseExited(int x, int y) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");

	ofBackground(239);
	ofSetLineWidth(2);
	ofSetColor(39);
}

//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);
}

//--------------------------------------------------------------
void ofApp::draw() {

	int radius = 36;
	for (int x = radius; x < ofGetHeight(); x += radius * 2) {

		for (int y = radius; y < ofGetHeight(); y += radius * 2) {

			ofPushMatrix();
			ofTranslate(x, y);

			int deg_start = ofMap(ofNoise(x * 0.05, ofGetFrameNum() * 0.005), 0, 1, 0, 720);
			int deg_end = ofMap(ofNoise((y + radius) * 0.05, ofGetFrameNum() * 0.005), 0, 1, 0, 720);
			if (deg_start > deg_end) { std::swap(deg_start, deg_end); }

			ofFill();
			ofBeginShape();
			for (int deg = deg_start; deg < deg_end; deg += 5) {

				ofVertex(radius * 0.85 * cos(deg * DEG_TO_RAD), radius * 0.85 * sin(deg * DEG_TO_RAD));
			}
			if (deg_end - deg_start < 180) { ofVertex(0, 0); }
			ofEndShape(true);

			ofNoFill();
			ofBeginShape();
			for (int deg = 0; deg < 360; deg += 5) {

				ofVertex(radius * 0.95 * cos(deg * DEG_TO_RAD), radius * 0.95 * sin(deg * DEG_TO_RAD));
			}
			ofEndShape(true);

			ofPopMatrix();
		}
	}
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

//--------------------------------------------------------------

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetLineWidth(2);

ofSetColor(39);

}

//--------------------------------------------------------------

void ofApp::update() {

ofSeedRandom(39);

}

//--------------------------------------------------------------

void ofApp::draw() {

int radius = 36;

for (int x = radius; x < ofGetHeight(); x += radius * 2) {

for (int y = radius; y < ofGetHeight(); y += radius * 2) {

ofPushMatrix();

ofTranslate(x, y);

int deg_start = ofMap(ofNoise(x * 0.05, ofGetFrameNum() * 0.005), 0, 1, 0, 720);

int deg_end = ofMap(ofNoise((y + radius) * 0.05, ofGetFrameNum() * 0.005), 0, 1, 0, 720);

if (deg_start > deg_end) { std::swap(deg_start, deg_end); }

ofFill();

ofBeginShape();

for (int deg = deg_start; deg < deg_end; deg += 5) {

ofVertex(radius * 0.85 * cos(deg * DEG_TO_RAD), radius * 0.85 * sin(deg * DEG_TO_RAD));

}

if (deg_end - deg_start < 180) { ofVertex(0, 0); }

ofEndShape(true);

ofNoFill();

ofBeginShape();

for (int deg = 0; deg < 360; deg += 5) {

ofVertex(radius * 0.95 * cos(deg * DEG_TO_RAD), radius * 0.95 * sin(deg * DEG_TO_RAD));

}

ofEndShape(true);

ofPopMatrix();

}

//--------------------------------------------------------------

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20181005

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